Service information: Rear axle center section · si3531s0001a · Mercedes-Benz WIS

SI35.31-S-0001A

Service information: Rear axle center section

14.7.11

MODEL 639

Modification notes

5.7.04

Filling capacity for rear axle differential changed from 1.3 liters to 1.5 liters

S35.31-4521-01

1 Differential

2 Drive flange

 Replacing rear axle center section

To prevent any damage to the new rear axle differential (1), approx. 0.05 l of oil must be added before installing the rear axle differential (1).

The drive flange (2) should point downward during filling.

Then turn drive flange (2) approx. 10 times to ensure that the entire bearing is moistened with oil

After installing the rear axle differential, it must be filled up to the specified filling capacity.

 Moisten thread of oil filler opening bolt with oil and tighten to the following torque: 90 Nm.

The value in BA35.31-N-1002-02B has been corrected.

	Universal hypoid gear oils (SAE 85 W-90)		BB00.40-P-0235-07A
	Differential		*BF35.31-N-1001-01A

 Differential

Number	Designation			Model 636, 639


BF35.31-N-1001-01A	Differential	Filling capacity	Liters	1.5
		Specifications for Operating Fluids	Sheet	BB00.40-P-0235-07A
		Specifications for Operating Fluids	Sheet	BB00.40-P-0235-08A
		Specifications for Operating Fluids	Sheet	BB00.40-P-0235-20A